GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 30741  Size: SH
  1. Remove the hoses from the hydraulic booster.
  2. Remove the two nuts that attach the master cylinder to the hydraulic booster.
  3. Remove the master cylinder and support it.

  4. Object Number: 30760  Size: SH
  5. Remove the pushrod retainer.
  6. Remove the retaining clip and washer.
  7. Remove the hydraulic booster pushrod.

  8. Object Number: 30763  Size: SH
  9. Remove the four nuts that attach the hydraulic booster to the support bracket.
  10. Remove the hydraulic booster assembly.

Installation Procedure


    Object Number: 30763  Size: SH
  1. Install the hydraulic booster assembly.
  2. Install the four nuts that attach the hydraulic booster assembly to the support bracket.
  3. Tighten
    Tighten the nuts to 29 N·m (20 lb ft).


    Object Number: 30760  Size: SH
  4. Install the hydraulic booster pushrod.
  5. Install the washer and retaining clip.
  6. Install the pushrod retainer.

  7. Object Number: 30763  Size: SH
  8. Install the master cylinder.
  9. Install the two nuts that attach the master cylinder to the hydraulic booster.
  10. Tighten
    Tighten the nuts to 27 N·m (20 lb ft).

  11. Install the hoses.
  12. Tighten
    Tighten the hose fittings to 29 N·m (21 lb ft).

  13. Bleed the hydraulic booster. Refer to Bleeding the Hydraulic Booster System.